SB2014062307 - Information disclosure in Linux kernel
Published: June 23, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014062307
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2014-1739)
The vulnerability allows a local #AU# to gain access to sensitive information.
The media_device_enum_entities function in drivers/media/media-device.c in the Linux kernel before 3.14.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory by leveraging /dev/media0 read access for a MEDIA_IOC_ENUM_ENTITIES ioctl call.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e6a623460e5fc960ac3ee9f946d3106233fd28d8
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
- http://secunia.com/advisories/59597
- http://speirofr.appspot.com/cve-2014-1739-kernel-infoleak-vulnerability-in-media_enum_entities.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.6
- http://www.openwall.com/lists/oss-security/2014/06/15/1
- http://www.securityfocus.com/bid/68048
- http://www.securitytracker.com/id/1038201
- http://www.ubuntu.com/usn/USN-2259-1
- http://www.ubuntu.com/usn/USN-2261-1
- http://www.ubuntu.com/usn/USN-2263-1
- http://www.ubuntu.com/usn/USN-2264-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1109774
- https://github.com/torvalds/linux/commit/e6a623460e5fc960ac3ee9f946d3106233fd28d8
- https://source.android.com/security/bulletin/2017-04-01